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Bandwidth analysis of multimode fiber passive optical networks (PONs)

Stepniak G., Maksymiuk Ł., Siuzdak J.

Optica Applicata

2009

Vol. 39, nr 2

233-239

The analysis of frequency response in different branches of a multimode fiber based passive optical network is conducted. Both the theoretical and experimental results show that bandwidth of various network paths may be different.

Influence of modal filtering on the bandwidth of multimode optical fibers

Siuzdak J., Stepniak G.

Optica Applicata

2007

Vol. 37, nr 1-2

31-39

The multimode (MM) optical fiber maximum operational range is defined by the fiber bandwidth (related to the intermodal dispersion) rather than by the fiber attenuation. The relationship between the modal bandwidth of the fiber, the launching condition and mode coupling is fairly complicated. There is presented a theoretical study on the modal bandwidth of the multimode fiber. The theory is based on a numerical solution of the coupled mode diffusion equation that allows the bandwidth of the MM optical fiber to be calculated. It is shown that appropriate modal filtering at the receiver side of the fiber link increases the link bandwidth.